Description

3,5,7-Trihydroxy-2-(4-Hydroxyphenyl)-8-Methoxy-4H-1-Benzopyran-4-One is a high-purity flavonoid compound, also known as 8-Methoxykaempferol, with significant commercial and research value due to its potent biological activity. This compound is essential for industries requiring standardized, high-quality bioactive ingredients for product development and scientific investigation. It is primarily sought by manufacturers and researchers in the pharmaceutical, nutraceutical, and advanced material sectors.

Application

• Pharmaceutical Intermediates: Serves as a key building block or active pharmaceutical ingredient (API) precursor in drug discovery and development, particularly for anti-inflammatory and antioxidant therapies.
• Nutraceutical & Dietary Supplements: Used as a standardized bioactive component in formulations aimed at promoting health and wellness due to its flavonoid properties.
• Biochemical & Life Science Research: Acts as a critical reference standard and reagent in pharmacological studies, cell-based assays, and metabolic pathway analysis.
• Cosmeceutical Ingredients: Incorporated into advanced skincare products for its potential antioxidant and protective benefits against environmental stressors.
• Chemical Synthesis: Utilized as a specialized starting material or intermediate in the synthesis of more complex flavonoid derivatives and fine chemicals.

Basic Information

Product Name	3,5,7-Trihydroxy-2-(4-Hydroxyphenyl)-8-Methoxy-4H-1-Benzopyran-4-One
CAS No.	571-74-4
Molecular Formula	C₁₆H₁₂O₇
Molecular Weight	316.26 g/mol
Synonyms	8-Methoxykaempferol; Kaempferol 8-methyl ether; 5,7,4'-Trihydroxy-8-methoxyflavone; 8-Methoxy-3,5,7-trihydroxy-2-(4-hydroxyphenyl)-4H-chromen-4-one; 8-O-Methylkaempferol; NSC 407303; 4H-1-Benzopyran-4-one, 3,5,7-trihydroxy-2-(4-hydroxyphenyl)-8-methoxy-
EINECS	209-350-3

Quality Control

Our 3,5,7-Trihydroxy-2-(4-Hydroxyphenyl)-8-Methoxy-4H-1-Benzopyran-4-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This compound is easily oxidized and should be handled under an inert atmosphere for long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥95.0%
Loss on Drying	≤2.0%
Residue on Ignition	≤0.5%
Heavy Metals (as Pb)	≤20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.